Derivatives, Fair Values of Derivative Assets and Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Derivative Assets
Derivative Assets	$ 88,751	$ 45,876
Counterparty netting, assets	(56,340)	(27,172)
Cash collateral netting, assets	(10,186)	(4,258)
Total derivatives subject to enforceable master netting arrangements, net, assets	22,225	14,446
Derivatives not subject to enforceable master netting arrangements, assets	7,028	7,032
Derivative assets	29,253	21,478
Non-cash collateral not offset, assets	(4,847)	(1,432)
Total Derivatives, net, assets	24,406	20,046
Derivative Liabilities
Derivative Liabilities	84,263	41,238
Counterparty netting, liabilities	(56,441)	(27,046)
Cash collateral netting, liabilities	(11,397)	(9,486)
Total derivatives subject to enforceable master netting arrangements, net, liabilities	16,425	4,706
Derivatives not subject to enforceable master netting arrangements , liabilities	6,975	4,718
Derivative liabilities	23,400	9,424
Non-cash collateral not offset, Liabilities	(1,173)	(412)
Total Derivatives, net, liabilities	22,227	9,012
Derivatives (Textual) [Abstract]
Valuation adjustments for derivative assets	396	284
Valuation adjustments for derivative liabilities	497	158
Interest rate contracts [Member]
Derivative Assets
Derivative Assets	42,696	20,287
Derivative Liabilities
Derivative Liabilities	43,426	16,874
Interest rate contracts [Member] | OTC [Member]
Derivative Assets
Derivative Assets	39,884	20,067
Derivative Liabilities
Derivative Liabilities	40,917	16,654
Interest rate contracts [Member] | OTC cleared [Member]
Derivative Assets
Derivative Assets	2,304	168
Derivative Liabilities
Derivative Liabilities	2,200	192
Interest rate contracts [Member] | Exchange traded [Member]
Derivative Assets
Derivative Assets	508	52
Derivative Liabilities
Derivative Liabilities	309	28
Commodity contracts [Member]
Derivative Assets
Derivative Assets	9,718	5,597
Derivative Liabilities
Derivative Liabilities	5,011	2,296
Commodity contracts [Member] | OTC [Member]
Derivative Assets
Derivative Assets	8,400	5,040
Derivative Liabilities
Derivative Liabilities	2,759	1,249
Commodity contracts [Member] | Exchange traded [Member]
Derivative Assets
Derivative Assets	1,318	557
Derivative Liabilities
Derivative Liabilities	2,252	1,047
Equity contracts [Member]
Derivative Assets
Derivative Assets	12,840	13,625
Derivative Liabilities
Derivative Liabilities	8,862	15,816
Equity contracts [Member] | OTC [Member]
Derivative Assets
Derivative Assets	6,771	6,132
Derivative Liabilities
Derivative Liabilities	4,663	9,730
Equity contracts [Member] | Exchange traded [Member]
Derivative Assets
Derivative Assets	6,069	7,493
Derivative Liabilities
Derivative Liabilities	4,199	6,086
Foreign exchange contracts [Member]
Derivative Assets
Derivative Assets	23,460	6,335
Derivative Liabilities
Derivative Liabilities	26,938	6,221
Foreign exchange contracts [Member] | OTC [Member]
Derivative Assets
Derivative Assets	23,460	6,335
Derivative Liabilities
Derivative Liabilities	26,938	6,221
Credit contracts [Member]
Derivative Assets
Derivative Assets	37	32
Derivative Liabilities
Derivative Liabilities	26	31
Credit contracts [Member] | OTC [Member]
Derivative Assets
Derivative Assets	37	32
Derivative Liabilities
Derivative Liabilities	$ 26	$ 31